Oooohh, you better buy a lottery ticket. Am told that only forward piston AR's will run. They say the DI version locks up after a few rounds & then you have to completely dismantle / clean the whole works.
Ex - Navy, Persian Gulf Veteran. Loved shooting the M14, 1911, M60, M2
"No matter what you do with a striker gun, it still feels like a power stapler." - Gats Italian